17945585920

素因数分解:

$2^8\times 5^1\times {\mathrm{3371}}^1\times {\mathrm{4159}}^1$

素因数の和:7551

約数の個数: 72

約数和(自身を含む): 43008376320

約数和(自身を除く): 25062790400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3371, 4159, 6742, 8318, 13484, 16636, 16855, 20795, 26968, 33272, 33710, 41590, 53936, 66544, 67420, 83180, 107872, 133088, 134840, 166360, 215744, 266176, 269680, 332720, 431488, 532352, 539360, 665440, 862976, 1064704, 1078720, 1330880, 2157440, 2661760, 4314880, 5323520, 14019989, 28039978, 56079956, 70099945, 112159912, 140199890, 224319824, 280399780, 448639648, 560799560, 897279296, 1121599120, 1794558592, 2243198240, 3589117184, 4486396480, 8972792960, 17945585920]

約数ペア:

[(1, 17945585920), (2, 8972792960), (4, 4486396480), (5, 3589117184), (8, 2243198240), (10, 1794558592), (16, 1121599120), (20, 897279296), (32, 560799560), (40, 448639648), (64, 280399780), (80, 224319824), (128, 140199890), (160, 112159912), (256, 70099945), (320, 56079956), (640, 28039978), (1280, 14019989), (3371, 5323520), (4159, 4314880), (6742, 2661760), (8318, 2157440), (13484, 1330880), (16636, 1078720), (16855, 1064704), (20795, 862976), (26968, 665440), (33272, 539360), (33710, 532352), (41590, 431488), (53936, 332720), (66544, 269680), (67420, 266176), (83180, 215744), (107872, 166360), (133088, 134840)]